Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 14.82
Milk (kg) -275.00 -0.014 3.85
Fat (kg) -14.39 -0.375 5.39
Prot (kg) -12.65 -0.441 5.58
Fertility Sub Index 6.32
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.49
Gestation Length (days) 0.53 -0.919 -0.49
Beef Sub Index -2.88
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) -0.05 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 18.97

* Based on an €80/tonne carbon price